import type { MeshStandardMaterial } from "three";
import { MeshLambertMaterial } from "three";
export interface StandardToLambertConverterOptions {
    preserveName: boolean;
    copyUserData: boolean;
    disposeOriginal: boolean;
    roughnessColorFactor: number;
}
export declare class StandardToLambertConverter {
    static convert(material: MeshStandardMaterial, options?: Partial<StandardToLambertConverterOptions>): MeshLambertMaterial;
    private static copyBasicProperties;
    private static convertColorProperties;
    private static convertTextureMaps;
    private static convertTransparencyProperties;
}